Zachary, eight, and Amon (right), four, from Bexley who have gone missing with their mother, Sian Blake, 43, from Erith, Kent, as police have reissued their appeal for information as homicide detectives take over the investigation.

Arthur Simpson-Kent is accused of killing Sian Blake and their two sons

Arthur Simpson-Kent with son Amon

The former partner of EastEnders actress Sian Blake has admitted killing her and their two children, a court heard today.

Arthur Simpson-Kent, 48, is accused of killing his 43-year-old girlfriend and their sons Zachary, eight, and four-year-old Amon between December 12 and December 16 last year.